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Our very first stainless steel lunchbox is here – meet the Mighty. Built tough, lightweight, and ready to handle big appetites without the plastic.
Made from rust-free 304 stainless steel with a removable silicone seal board in the lid, this durable lunchbox is perfect for those wanting a plastic-free option. It features three fixed compartments – no moving parts, no fuss. Designed to be toxin-free, low-waste, and easy to clean.
Why Mighty?
Plastic‑free & toxin‑free – made from food‑grade 304 stainless steel
Leak‑resistant seal – removable, colour‑pop silicone board in the lid keeps yoghurt, dips and saucy foods in place (not suitable for water, juice or milk)
Ready for big appetites – three fixed compartments:
500ml, 300ml, 200ml = 1000ml total capacity
Kid‑friendly latches – two easy‑open side clips
Low‑waste & long‑life – rust‑resistant steel stands up to daily school runs
Match it up – optional Mighty Minis stainless‑steel snack pots sold separately
Dimensions & Capacity
External size: 23 cm (L) × 17 cm (W) × 4 cm (H)
Total capacity: 1000 ml
Weight: 520 g (incl. lid seal)
Colours available:
Pink | Lilac | Blue
Care & Cleaning
Dishwasher safe – top rack recommended
Hand‑wash silicone seal separately for a squeaky‑clean finish
Yes, we ship worldwide! We have thousands of happy customers all over the globe already!
Shipping cost varies depending on your total order weight & your shipping destination. You can check shipping cost at the check out page after you build your cart.
We typically ship orders out within 1-2 business days of ordering. From there, shipping may take 3-7 business days in AU. For international orders shipping can take between 7-14 business days.
Yes, for AU customers only. Shipping is free for orders over $99.
I bought 2 lunchboxes for my boys and the quality is outstanding! I absolutely love them and it makes me want to make heaps of yummy things to put in them. And the boys absolutely love them too!
I’ve found the key to successfully getting my nearly 5 year old excited about eating the contents of her lunch is by packing it in a practical but fun lunchbox. My daughter loves the glitter and that her lunchbox says her name, it’s easy for her to open and close with the one large latch and from a packing perspective the compartments are the perfect size. Highly recommend!
I don’t know what it is about these lunch boxes, both of my kids eat so much better and come back home almost empty! Their friends all came to have a look at the sparkles and they are flaunting it :) Should have bought these long time ago! I love that it has so many compartments and removable so now we do jelly just like your IG. Super fun!
We bought a bunch of bamboo and silicone spoons and forks for the babies in our childcare centre here in Sydney, and we love them! The price was amazing, and the colours are just gorgeous. Our little ones really enjoy the bright variety, and they’re so easy for tiny hands to hold. Thanks so much for the beautiful package and awesome products!
Really love these sandwich cutters that seal the edge, keeping the sandwich together well. The triangles make for the perfect proportion for my 4 year old too.
I’ve said it before and I’ll say it again…these are our go to lunch boxes in our busy household of 3 boys. Sturdy, well designed (we are all about practicality), decent sized compartments and kid friendly designs. Doesn’t compare to other brands as this is miles ahead of the game on quality. Hopefully they MMY introduce more designs in the future as we have maxed out all the boy ones already haha
My daughter feels so special with her new lunchbox that was made for her by Mum Made Yum.
She shows everyone.
This is something we didn’t know we needed.
Great sizing and lots of separated compartments.
Love that it is dishwasher safe and extremely high quality.
Will definitely get one for my other children.
